from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText import smtplib import time import Web.modules.database.settings as cfg def _build_smtp_client(): smtp = smtplib.SMTP( cfg.EMAIL_SMTP_HOST, cfg.EMAIL_SMTP_PORT, timeout=cfg.EMAIL_TIMEOUT_SECONDS, ) smtp.ehlo() if cfg.EMAIL_USE_TLS: smtp.starttls() smtp.ehlo() if cfg.EMAIL_USERNAME: smtp.login(cfg.EMAIL_USERNAME, cfg.EMAIL_PASSWORD or "") return smtp def send(email: list | str, subject: str, note: str, sender: str) -> bool: """Sends the email with the link to the Clients.""" if not cfg.MODULES.is_enabled("mail"): print("Debug: Module not enabled") return False if isinstance(email, str): email = [email] body_message = note HTML_SIGNATURE = f"""

Mit freundlichen Grüßen

Automatisierter Email Verteiler für die Schule: {cfg.get_school_info().get("name")}

Invario UG
Am Sportplatz 10
83052 Bruckmühl

""" text_content = f"{body_message}\n\nMit freundlichen Grüßen\n{sender}\nInvario UG" html_content = f"""

{body_message}

{HTML_SIGNATURE} """ mails_per_second = 10 interval = 1.0 / mails_per_second smtp = None try: smtp = _build_smtp_client() for i, recipient in enumerate(email): start_time = time.time() msg = MIMEMultipart("alternative") msg["Subject"] = str(subject) msg["From"] = f"{sender} <{cfg.EMAIL_USERNAME}>" msg["To"] = str(recipient) msg.attach(MIMEText(text_content, "plain")) msg.attach(MIMEText(html_content, "html")) smtp.sendmail( from_addr=cfg.EMAIL_USERNAME, to_addrs=[recipient], msg=msg.as_string() ) elapsed_time = time.time() - start_time sleep_time = interval - elapsed_time if sleep_time > 0 and i < len(email) - 1: time.sleep(sleep_time) return True except Exception as e: print(f"Debug: Fehler beim Senden der E-Mail: {e}") return False finally: if smtp: try: smtp.quit() except Exception: pass